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How to access the ith column of a NumPy multidimensional array?
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>>> test[:,0]
array([1, 3, 5])
Similarly,
>>> test[1,:]
array([3, 4])
lets you access rows. This is covered in Section 1.4 (Indexing) of the NumPy reference. This is quick, at least in my experience. It's certainly much quicker ...
How do I convert a TimeSpan to a formatted string? [duplicate]
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Google Maps API 3 - Custom marker color for default (dot) marker
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how to draw smooth curve through N points using javascript HTML5 canvas?
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Adding gif image in an ImageView in android
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Define a lambda expression that raises an Exception
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There is more than one way to skin a Python:
y = lambda: (_ for _ in ()).throw(Exception('foo...
Pandas - Get first row value of a given column
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516
To select the ith row, use iloc:
In [31]: df_test.iloc[0]
Out[31]:
ATime 1.2
X 2....
How can I confirm a database is Oracle & what version it is using SQL?
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Linux bcc tools使用总结（持续更新） - 操作系统(内核) - 清泛网 - 专注IT技能提升
...续更新）Linux-bcc-toolsbcc及依赖安装（参考：INSTALL md）。1、execsnoop短时进程追踪工具，抓出短时间内谁在搞事情。使用场景：有些进程运行时间太短（可能是不断崩溃重启），因而使用其他工具无法捕获
图：BPF性能工具及其...